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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
****************************************************************************/
#pragma once
#include "baseitem.h"
#include "scxmldocument.h"
#include <QGraphicsLineItem>
#include <QGraphicsScene>
QT_FORWARD_DECLARE_CLASS(QAction)
QT_FORWARD_DECLARE_CLASS(QKeyEvent)
namespace ScxmlEditor {
namespace OutputPane {
class Warning;
class WarningModel;
} // namespace OutputPane
namespace PluginInterface {
class ActionHandler;
class ScxmlUiFactory;
class SnapLine;
class WarningItem;
class GraphicsScene : public QGraphicsScene
{
Q_OBJECT
public:
explicit GraphicsScene(QObject *parent = nullptr);
~GraphicsScene() override;
QPair<bool, bool> checkSnapToItem(BaseItem *item, const QPointF &p, QPointF &pp);
void checkItemsVisibility(double scaleFactor);
void checkInitialState();
void clearAllTags();
void setBlockUpdates(bool block);
QList<QGraphicsItem*> sceneItems(Qt::SortOrder order) const;
ScxmlTag *tagByWarning(const OutputPane::Warning *w) const;
void highlightWarningItem(const OutputPane::Warning *w);
void selectWarningItem(const OutputPane::Warning *w);
QRectF selectedBoundingRect() const;
BaseItem *findItem(const ScxmlTag *tag) const;
bool topMostScene() const;
void setActionHandler(ActionHandler *mgr);
void setWarningModel(OutputPane::WarningModel *model);
void setUiFactory(ScxmlUiFactory *uifactory);
void setEditorInfo(const QString &key, const QString &value);
void setDocument(ScxmlDocument *document);
void unselectAll();
void unhighlightAll();
void highlightItems(const QVector<ScxmlTag*> &lstIds);
void addConnectableItem(ItemType type, const QPointF &pos, BaseItem *parentItem);
void runAutomaticLayout();
void runLayoutToSelectedStates();
void alignStates(int alignType);
void adjustStates(int adjustType);
void copy();
void cut();
void removeSelectedItems();
void checkPaste();
void paste(const QPointF &targetPos);
void setTopMostScene(bool topmost);
ActionHandler *actionHandler() const;
OutputPane::WarningModel *warningModel() const;
ScxmlUiFactory *uiFactory() const;
signals:
void openStateView(BaseItem *item);
protected:
void keyPressEvent(QKeyEvent *event) override;
void mousePressEvent(QGraphicsSceneMouseEvent *event) override;
signals:
void selectedStateCountChanged(int count);
void selectedBaseItemCountChanged(int count);
void pasteAvailable(bool para);
private slots:
void warningVisibilityChanged(int type, WarningItem *item = nullptr);
private:
void beginTagChange(ScxmlDocument::TagChange change, ScxmlTag *tag, const QVariant &value);
void endTagChange(ScxmlDocument::TagChange change, ScxmlTag *tag, const QVariant &value);
void selectionChanged(bool para);
friend class BaseItem;
friend class WarningItem;
void init();
qreal selectedMaxWidth() const;
qreal selectedMaxHeight() const;
void removeItems(const ScxmlTag *tag);
void addChild(BaseItem *item);
void removeChild(BaseItem *item);
void addWarningItem(WarningItem *item);
void removeWarningItem(WarningItem *item);
void connectDocument();
void disconnectDocument();
QPointer<ActionHandler> m_actionHandler;
QPointer<OutputPane::WarningModel> m_warningModel;
QPointer<ScxmlUiFactory> m_uiFactory;
QPointer<ScxmlDocument> m_document;
QVector<BaseItem*> m_baseItems;
QVector<WarningItem*> m_allWarnings;
int m_pasteCounter = 0;
QPointer<BaseItem> m_lastPasteTargetItem;
SnapLine *m_lineX = nullptr;
SnapLine *m_lineY = nullptr;
int m_selectedStateCount = 0;
int m_selectedBaseItemCount = 0;
int m_selectedStateTypeCount = 0;
bool m_autoLayoutRunning = false;
bool m_initializing = false;
bool m_topMostScene = false;
};
} // namespace PluginInterface
} // namespace ScxmlEditor
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